Files
bpfire/html/cgi-bin/outgoingfw.cgi
2007-05-17 16:54:15 +00:00

493 lines
19 KiB
Perl

#!/usr/bin/perl
#
# IPFire CGIs
#
# This code is distributed under the terms of the GPL
#
# (c) The IPFire Team
#
use strict;
# enable only the following on debugging purpose
use warnings;
use CGI::Carp 'fatalsToBrowser';
require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";
my %outfwsettings = ();
my %checked = ();
my %selected= () ;
my %netsettings = ();
my $errormessage = "";
my $configentry = "";
my @configs = ();
my @configline = ();
my $p2pentry = "";
my @p2ps = ();
my @p2pline = ();
my $configfile = "/var/ipfire/outgoing/rules";
my $p2pfile = "/var/ipfire/outgoing/p2protocols";
my $servicefile = "/var/ipfire/outgoing/defaultservices";
my %color = ();
my %mainsettings = ();
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
&General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
&General::readhash("${General::swroot}/ethernet/settings", \%netsettings);
&Header::showhttpheaders();
### Values that have to be initialized
$outfwsettings{'ACTION'} = '';
$outfwsettings{'VALID'} = 'yes';
$outfwsettings{'EDIT'} = 'no';
$outfwsettings{'NAME'} = '';
$outfwsettings{'SNET'} = '';
$outfwsettings{'SIP'} = '';
$outfwsettings{'SPORT'} = '';
$outfwsettings{'SMAC'} = '';
$outfwsettings{'DIP'} = '';
$outfwsettings{'DPORT'} = '';
$outfwsettings{'PROT'} = '';
$outfwsettings{'STATE'} = '';
$outfwsettings{'DISPLAY_DIP'} = '';
$outfwsettings{'DISPLAY_DPORT'} = '';
$outfwsettings{'DISPLAY_SMAC'} = '';
$outfwsettings{'DISPLAY_SIP'} = '';
$outfwsettings{'POLICY'} = 'MODE0';
&General::readhash("${General::swroot}/outgoing/settings", \%outfwsettings);
&Header::getcgihash(\%outfwsettings);
if ($outfwsettings{'POLICY'} eq 'MODE0'){ $selected{'POLICY'}{'MODE0'} = 'selected'; } else { $selected{'POLICY'}{'MODE0'} = ''; }
if ($outfwsettings{'POLICY'} eq 'MODE1'){ $selected{'POLICY'}{'MODE1'} = 'selected'; } else { $selected{'POLICY'}{'MODE1'} = ''; }
if ($outfwsettings{'POLICY'} eq 'MODE2'){ $selected{'POLICY'}{'MODE2'} = 'selected'; } else { $selected{'POLICY'}{'MODE2'} = ''; }
&Header::openpage('Ausgehende Firewall', 1, '');
&Header::openbigbox('100%', 'left', '', $errormessage);
############################################################################################################################
############################################################################################################################
if ($outfwsettings{'ACTION'} eq $Lang::tr{'reset'})
{
$outfwsettings{'POLICY'}='MODE0';
unlink $configfile;
system("/usr/bin/touch $configfile");
&General::writehash("${General::swroot}/outgoing/settings", \%outfwsettings);
}
if ($outfwsettings{'ACTION'} eq $Lang::tr{'save'})
{
&General::writehash("${General::swroot}/outgoing/settings", \%outfwsettings);
}
if ($outfwsettings{'ACTION'} eq 'enable')
{
open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
@p2ps = <FILE>;
close FILE;
open( FILE, "> $p2pfile" ) or die "Unable to write $p2pfile";
foreach $p2pentry (sort @p2ps)
{
@p2pline = split( /\;/, $p2pentry );
if ($p2pline[1] eq $outfwsettings{'P2PROT'}) {
print FILE "$p2pline[0];$p2pline[1];on;\n";
} else {
print FILE "$p2pline[0];$p2pline[1];$p2pline[2];\n";
}
}
close FILE;
}
if ($outfwsettings{'ACTION'} eq 'disable')
{
open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
@p2ps = <FILE>;
close FILE;
open( FILE, "> $p2pfile" ) or die "Unable to write $p2pfile";
foreach $p2pentry (sort @p2ps)
{
@p2pline = split( /\;/, $p2pentry );
if ($p2pline[1] eq $outfwsettings{'P2PROT'}) {
print FILE "$p2pline[0];$p2pline[1];off;\n";
} else {
print FILE "$p2pline[0];$p2pline[1];$p2pline[2];\n";
}
}
close FILE;
}
if ($outfwsettings{'ACTION'} eq $Lang::tr{'edit'})
{
open( FILE, "< $configfile" ) or die "Unable to read $configfile";
@configs = <FILE>;
close FILE;
open( FILE, "> $configfile" ) or die "Unable to write $configfile";
foreach $configentry (sort @configs)
{
@configline = split( /\;/, $configentry );
unless (($configline[0] eq $outfwsettings{'STATE'}) &&
($configline[1] eq $outfwsettings{'ENABLED'}) &&
($configline[2] eq $outfwsettings{'SNET'}) &&
($configline[3] eq $outfwsettings{'PROT'}) &&
($configline[4] eq $outfwsettings{'NAME'}) &&
($configline[5] eq $outfwsettings{'SIP'}) &&
($configline[6] eq $outfwsettings{'SMAC'}) &&
($configline[7] eq $outfwsettings{'DIP'}) &&
($configline[8] eq $outfwsettings{'DPORT'}))
{
print FILE $configentry;
}
}
close FILE;
$selected{'SNET'}{"$outfwsettings{'SNET'}"} = 'selected';
$selected{'PROT'}{"$outfwsettings{'PROT'}"} = 'selected';
&addrule();
&Header::closebigbox();
&Header::closepage();
exit
}
if ($outfwsettings{'ACTION'} eq $Lang::tr{'delete'})
{
open( FILE, "< $configfile" ) or die "Unable to read $configfile";
@configs = <FILE>;
close FILE;
open( FILE, "> $configfile" ) or die "Unable to write $configfile";
foreach $configentry (sort @configs)
{
@configline = split( /\;/, $configentry );
unless (($configline[0] eq $outfwsettings{'STATE'}) &&
($configline[1] eq $outfwsettings{'ENABLED'}) &&
($configline[2] eq $outfwsettings{'SNET'}) &&
($configline[3] eq $outfwsettings{'PROT'}) &&
($configline[4] eq $outfwsettings{'NAME'}) &&
($configline[5] eq $outfwsettings{'SIP'}) &&
($configline[6] eq $outfwsettings{'SMAC'}) &&
($configline[7] eq $outfwsettings{'DIP'}) &&
($configline[8] eq $outfwsettings{'DPORT'}))
{
print FILE $configentry;
}
}
close FILE;
}
if ($outfwsettings{'ACTION'} eq $Lang::tr{'add'})
{
if ( $outfwsettings{'VALID'} eq 'yes' ) {
open( FILE, ">> $configfile" ) or die "Unable to write $configfile";
print FILE <<END
$outfwsettings{'STATE'};$outfwsettings{'ENABLED'};$outfwsettings{'SNET'};$outfwsettings{'PROT'};$outfwsettings{'NAME'};$outfwsettings{'SIP'};$outfwsettings{'SMAC'};$outfwsettings{'DIP'};$outfwsettings{'DPORT'};
END
;
close FILE;
} else {
$outfwsettings{'ACTION'} = 'Add rule';
}
}
if ($outfwsettings{'ACTION'} eq 'Add rule')
{
&addrule();
exit
}
&General::readhash("${General::swroot}/outgoing/settings", \%outfwsettings);
if ($errormessage) {
&Header::openbox('100%', 'left', $Lang::tr{'error messages'});
print "<class name='base'>$errormessage\n";
print "&nbsp;</class>\n";
&Header::closebox();
}
############################################################################################################################
############################################################################################################################
if ($outfwsettings{'POLICY'} ne 'MODE0'){
&Header::openbox('100%', 'center', 'Rules');
print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'>
<input type='submit' name='ACTION' value='Add rule' />
</form>
END
;
open( FILE, "< $configfile" ) or die "Unable to read $configfile";
@configs = <FILE>;
close FILE;
if (@configs) {
print <<END
<hr />
<table border='0' width='100%' cellspacing='0'>
<tr bgcolor='$color{'color22'}'>
<td width='14%' align='center'><b>Protokoll</b>
<td width='14%' align='center'><b>Netzwerk</b>
<td width='14%' align='center'><b>Ziel</b>
<td width='14%' align='center'><b>Anmerkung</b>
<td width='14%' align='center'><b>Politik</b>
<td width='30%' align='center'><b>Aktionen</b>
END
;
foreach $configentry (sort @configs)
{
@configline = split( /\;/, $configentry );
$outfwsettings{'STATE'} = $configline[0];
$outfwsettings{'ENABLED'} = $configline[1];
$outfwsettings{'SNET'} = $configline[2];
$outfwsettings{'PROT'} = $configline[3];
$outfwsettings{'NAME'} = $configline[4];
$outfwsettings{'SIP'} = $configline[5];
$outfwsettings{'SMAC'} = $configline[6];
$outfwsettings{'DIP'} = $configline[7];
$outfwsettings{'DPORT'} = $configline[8];
if ($outfwsettings{'DIP'} eq ''){ $outfwsettings{'DISPLAY_DIP'} = 'ALL'; } else { $outfwsettings{'DISPLAY_DIP'} = $outfwsettings{'DIP'}; }
if ($outfwsettings{'DPORT'} eq ''){ $outfwsettings{'DISPLAY_DPORT'} = 'ALL'; } else { $outfwsettings{'DISPLAY_DPORT'} = $outfwsettings{'DPORT'}; }
if ($outfwsettings{'STATE'} eq 'DENY'){ $outfwsettings{'DISPLAY_STATE'} = "<img src='/images/stock_stop.png' alt='DENY'>"; }
if ($outfwsettings{'STATE'} eq 'ALLOW'){ $outfwsettings{'DISPLAY_STATE'} = "<img src='/images/stock_ok.png' alt='ALLOW'>"; }
if ((($outfwsettings{'POLICY'} eq 'MODE1') && ($outfwsettings{'STATE'} eq 'ALLOW')) || (($outfwsettings{'POLICY'} eq 'MODE2') && ($outfwsettings{'STATE'} eq 'DENY'))){
print <<END
<tr bgcolor='$color{'color20'}'>
<td align='center'>$outfwsettings{'PROT'}
<td align='center'>$outfwsettings{'SNET'}
<td align='center'>$outfwsettings{'DISPLAY_DIP'}:$outfwsettings{'DISPLAY_DPORT'}
<td align='center'>$outfwsettings{'NAME'}
<td align='center'>$outfwsettings{'DISPLAY_STATE'}
<td align='right'>
<table border='0' cellpadding='0' cellspacing='0'><tr>
<td><form method='post' action='$ENV{'SCRIPT_NAME'}'>
<input type='hidden' name='PROT' value=$outfwsettings{'PROT'}>
<input type='hidden' name='STATE' value=$outfwsettings{'STATE'}>
<input type='hidden' name='SNET' value=$outfwsettings{'SNET'}>
<input type='hidden' name='DPORT' value=$outfwsettings{'DPORT'}>
<input type='hidden' name='DIP' value=$outfwsettings{'DIP'}>
<input type='hidden' name='SIP' value=$outfwsettings{'SIP'}>
<input type='hidden' name='NAME' value=$outfwsettings{'NAME'}>
<input type='hidden' name='SMAC' value=$outfwsettings{'SMAC'}>
<input type='hidden' name='ENABLED' value=$outfwsettings{'ENABLED'}>
<input type='hidden' name='ACTION' value=$Lang::tr{'edit'}>
<input type='image' src='/images/edit.gif' width="20" height="20" alt=$Lang::tr{'edit'}>
</form>
<td><form method='post' action='$ENV{'SCRIPT_NAME'}'>
<input type='hidden' name='PROT' value=$outfwsettings{'PROT'}>
<input type='hidden' name='STATE' value=$outfwsettings{'STATE'}>
<input type='hidden' name='SNET' value=$outfwsettings{'SNET'}>
<input type='hidden' name='DPORT' value=$outfwsettings{'DPORT'}>
<input type='hidden' name='DIP' value=$outfwsettings{'DIP'}>
<input type='hidden' name='SIP' value=$outfwsettings{'SIP'}>
<input type='hidden' name='NAME' value=$outfwsettings{'NAME'}>
<input type='hidden' name='SMAC' value=$outfwsettings{'SMAC'}>
<input type='hidden' name='ENABLED' value=$outfwsettings{'ENABLED'}>
<input type='hidden' name='ACTION' value=$Lang::tr{'delete'}>
<input type='image' src='/images/delete.gif' width="20" height="20" alt=$Lang::tr{'delete'}>
</form></table>
END
;
if (($outfwsettings{'SIP'}) || ($outfwsettings{'SMAC'})) {
unless ($outfwsettings{'SIP'}) { $outfwsettings{'DISPLAY_SIP'} = 'ALL'; } else { $outfwsettings{'DISPLAY_SIP'} = $outfwsettings{'SIP'}; }
unless ($outfwsettings{'SMAC'}) { $outfwsettings{'DISPLAY_SMAC'} = 'ALL'; } else { $outfwsettings{'DISPLAY_SMAC'} = $outfwsettings{'SMAC'}; }
print <<END
<tr><td width='14%' align='right'>Quell-IP-Adresse:
<td width='14%' align='left'>$outfwsettings{'DISPLAY_SIP'}
<td width='14%' align='right'>Quell-MAC-Adresse:
<td width='14%' align='left'>$outfwsettings{'DISPLAY_SMAC'}
<td width='44%' colspan='2' align='center'>
END
;
}
print <<END
</form>
END
;
}
}
print <<END
</table>
END
;
}
&Header::closebox();
}
if ($outfwsettings{'POLICY'} eq 'MODE2'){
open( FILE, "< $p2pfile" ) or die "Unable to read $p2pfile";
@p2ps = <FILE>;
close FILE;
&Header::openbox('100%', 'center', 'P2P-Block');
print <<END
<table width='40%'>
<tr bgcolor='$color{'color20'}'><td width='66%'><b>Protokoll</b>
<td width='33%'><b>Status</b>
END
;
my $id = 1;
foreach $p2pentry (sort @p2ps)
{
@p2pline = split( /\;/, $p2pentry );
print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'>
END
;
print "\t\t\t<tr bgcolor='$color{'color22'}'>\n";
print <<END
<td width='66%' align='center'>$p2pline[0]:
<td width='33%' align='center'><input type='hidden' name='P2PROT' value=$p2pline[1]>
END
;
if ($p2pline[2] eq 'on') {
print <<END
<input type='hidden' name='ACTION' value='disable'>
<input type='image' name='submit' src='/images/stock_ok.png' alt=''>
END
;
} else {
print <<END
<input type='hidden' name='ACTION' value='enable'>
<input type='image' name='submit' src='/images/stock_stop.png' alt=''>
END
;
}
print <<END
</form>
END
;
}
print <<END
<tr><td colspan='2' align='center'>Klicken Sie auf die Symbole um das entsprechende P2P-Netz zu (de-)aktivieren.
</table>
END
;
&Header::closebox();
}
&Header::openbox('100%', 'center', 'Policy');
print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'>
<table width='100%'>
<tr><td width='10%' align='left'><b>Modus 0:</b><td width='90%' align='left' colspan='2'>In diesem Modus ist es allen Rechnern im Netzwerk uneingeschraenkt moeglich Verbindungen ins Internet aufzubauen.
<tr><td width='10%' align='left'><b>Modus 1:</b><td width='90%' align='left' colspan='2'>In diesem Modus werden nur Verbindungen nach den oben definierten Regeln zugelassen.
<tr><td width='10%' align='left'><b>Modus 2:</b><td width='90%' align='left' colspan='2'>In diesem Modus werden saemtliche Verbindungen erlaubt, bis auf die oben definierten Block-Regeln.<br />Hier ist eine Besonderheit der P2P-Filter.
<tr><td colspan='3'><hr />
<tr><td width='10%' align='left'> <select name='POLICY' style="width: 85px"><option value='MODE0' $selected{'POLICY'}{'MODE0'}>Modus 0</option><option value='MODE1' $selected{'POLICY'}{'MODE1'}>Modus 1</option><option value='MODE2' $selected{'POLICY'}{'MODE2'}>Modus 2</option></select>
<td width='45%' align='left'><input type='submit' name='ACTION' value=$Lang::tr{'save'} />
<td width='45%' align='left'>
END
;
if ($outfwsettings{'POLICY'} ne 'MODE0') {
print <<END
Alle Regeln loeschen: <input type='submit' name='ACTION' value=$Lang::tr{'reset'} />
END
;
}
print <<END
</table>
</form>
END
;
&Header::closebox();
&Header::closebigbox();
&Header::closepage();
############################################################################################################################
############################################################################################################################
sub addrule
{
&Header::openbox('100%', 'center', 'Rules hinzufuegen');
if ($outfwsettings{'EDIT'} eq 'no') { $selected{'ENABLED'} = 'checked'; }
print <<END
<form method='post' action='$ENV{'SCRIPT_NAME'}'>
<table width='80%'>
<tr><td width='20%' align='right'>Anmerkung: <img src='/blob.gif'>
<td width='30%' align='left'><input type='text' name='NAME' maxlength='30' value='$outfwsettings{'NAME'}'>
<td width='20%' align='right'>Aktiviert:
<td width='30%' align='left'><input type='checkbox' name='ENABLED' $selected{'ENABLED'}>
<tr><td width='20%' align='right'>Protokoll:
<td width='30%' align='left'><select name='PROT'><option value='tcp' $selected{'PROT'}{'tcp'}>TCP</option><option value='tcp&udp' $selected{'PROT'}{'tcp&udp'}>TCP & UDP</option><option value='udp' $selected{'PROT'}{'udp'}>UDP</option></select>
<td width='20%' align='right'>Sicherheitspolitik:
<td width='30%' align='left'>
END
;
if ($outfwsettings{'POLICY'} eq 'MODE1'){
print "\t\t\tALLOW<input type='hidden' name='STATE' value='ALLOW'>\n";
} elsif ($outfwsettings{'POLICY'} eq 'MODE2'){
print "\t\t\tDENY<input type='hidden' name='STATE' value='DENY'>\n";
}
print <<END
<tr><td width='20%' align='right'>Quellnetz:
<td width='30%' align='left'><select name='SNET'>
<option value='all' $selected{'SNET'}{'ALL'}>alle</option>
<option value='ip' $selected{'SNET'}{'ip'}>Quell-IP/MAC benutzen</option>
<option value='green' $selected{'SNET'}{'green'}>$Lang::tr{'green'}</option>
END
;
if (&Header::blue_used()){
print "\t\t\t<option value='blue' $selected{'SNET'}{'blue'}>$Lang::tr{'wireless'}</option>\n";
}
if (&Header::orange_used()){
print "\t\t\t<option value='orange' $selected{'SNET'}{'orange'}>$Lang::tr{'dmz'}</option>\n";
}
print <<END
</select>
<td width='20%' align='right'>Quell-IP-Adresse: <img src='/blob.gif'>
<td width='30%' align='left'><input type='text' name='SIP' maxlength='15' value='$outfwsettings{'SIP'}'>
<tr><td width='50%' colspan='2'>&nbsp;
<td width='20%' align='right'>Quell-MAC-Adresse: <img src='/blob.gif'>
<td width='30%' align='left'><input type='text' name='SMAC' maxlength='23' value='$outfwsettings{'SMAC'}'>
<tr><td width='20%' align='right'>Ziel-IP-Adresse: <img src='/blob.gif'>
<td width='30%' align='left'><input type='text' name='DIP' maxlength='15' value='$outfwsettings{'DIP'}'>
<td width='20%' align='right'>Ziel-Port: <img src='/blob.gif'>
<td width='30%' align='left'><input type='text' name='DPORT' maxlength='11' value='$outfwsettings{'DPORT'}'>
<tr><td colspan='4'>
<tr><td width='40%' align='right' colspan='2'><img src='/blob.gif'> $Lang::tr{'this field may be blank'}
<td width='60%' align='left' colspan='2'><input type='submit' name='ACTION' value=$Lang::tr{'add'}>
</table></form>
END
;
&Header::closebox();
if ($outfwsettings{'POLICY'} eq 'MODE1')
{
&Header::openbox('100%', 'center', 'Quick Add');
open( FILE, "< /var/ipfire/outgoing/defaultservices" ) or die "Unable to read default services";
my @defservices = <FILE>;
close FILE;
print "<table width='100%'><tr bgcolor='$color{'color20'}'><td><b>$Lang::tr{'service'}</b></td><td><b>$Lang::tr{'description'}</b></td><td><b>$Lang::tr{'port'}</b></td><td><b>$Lang::tr{'protocol'}</b></td><td><b>$Lang::tr{'source net'}</b></td><td></td></tr>";
foreach my $serviceline(@defservices)
{
my @service = split(/,/,$serviceline);
print <<END
<tr><form method='post' action='$ENV{'SCRIPT_NAME'}'>
<td>$service[0]<input type='hidden' name='NAME' value='@service[0]' /></td>
<td>$service[3]</td>
<td><a href='http://isc.sans.org/port_details.php?port=$service[1]' target='top'>$service[1]</a><input type='hidden' name='DPORT' value='@service[1]' /></td>
<td>$service[2]<input type='hidden' name='PROT' value='@service[2]' /></td>
<td><select name='SNET'><option value='all' $selected{'SNET'}{'ALL'}>$Lang::tr{'all'}</option><option value='green' $selected{'SNET'}{'green'}>$Lang::tr{'green'}</option>
END
;
if (&Header::blue_used()){
print "<option value='blue' $selected{'SNET'}{'blue'}>$Lang::tr{'wireless'}</option>";
}
if (&Header::orange_used()){
print "<option value='orange' $selected{'SNET'}{'orange'}>$Lang::tr{'dmz'}</option>";
}
print <<END
</select></td><td>
<input type='hidden' name='ACTION' value=$Lang::tr{'add'} />
<input type='image' alt='$Lang::tr{'add'}' src='/images/add.gif' />
<input type='hidden' name='ENABLED' value='on' />
<input type='hidden' name='STATE' value='ALLOW' />
</form></td></tr>
END
;
}
print "</table>";
&Header::closebox();
}
}